Changelogs for 3.12.1.0 (backport #10124) (#10132)

* Changelogs for 3.12.1.0 (#10124)

* changelog for 3.12.1.0

* fixup! changelog for 3.12.1.0

* fixup! Changelogs for 3.12.1.0

Co-authored-by: Artem Pelenitsyn <a.pelenitsyn@gmail.com>

* fixup! changelog for 3.12.1.0

* fixup! changelog for 3.12.1.0

* fixup! Changelogs for 3.12.1.0

Co-authored-by: ffaf1 <fa-ml@ariis.it>

* fixup! Changelogs for 3.12.1.0

* fixup! Changelogs for 3.12.1.0

* fixup! Changelogs for 3.12.1.0

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Co-authored-by: Artem Pelenitsyn <a.pelenitsyn@gmail.com>
Co-authored-by: ffaf1 <fa-ml@ariis.it>
(cherry picked from commit 2067ed19)

# Conflicts:
#	release-notes/Cabal-3.12.0.0.md

* fixup! Changelogs for 3.12.1.0 (backport #10124)

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Co-authored-by: brandon s allbery kf8nh <allbery.b@gmail.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>